advisory frequency (CTAF). An AWOS is available on 120.0 MHz, which provides wind, visibility, sky conditions, and the altimeter. The weather for this airport can also be found in the form of a METAR on various online aviation weather sites. The controlling agency is Chicago center, but services are also available from Milwaukee approach or Milwaukee departure on 125.35 MHz. IFR flights can also contact clearance delivery on 124.75 MHz. Airspace Immediately overlying the airport is Class G airspace. A ring approx. 14 miles in diameter, centered on the field, of Class E airspace begins at 700 feet above ground level (AGL) and meets Class A airspace at, but not including, 18,000 feet MSL. The outer ring of Milwaukee's Class C airspace begins approx. 17 miles south-southeast of the field, with Waukesha County Airport and Lawrence J. Timmerman Airport's Class D airspace beginning 18 miles south-southwest and 14 miles south (respectively) of the field. The nearest special use airspace is Restricted Airspace R-6903, which is superimposed over the Minnow MOA (Military Operations Area), approximately 20 miles east and northeast of the field, over Lake Michigan. See also List of airports in Wisconsin References External links at Wisconsin DOT Airport Directory West Bend Air, the fixed-base operator (FBO) Airports in Wisconsin Buildings and structures in Washington County, Wisconsin